About Repair PDF
PDFs get damaged by interrupted downloads, faulty email attachments or software that writes broken files. Repair reads what it can and writes a fresh file with a rebuilt structure.
It fixes problems in the file structure, such as a broken index of pages. It can’t bring back pages or images whose data is missing from the file.
Signs that a PDF needs repair
- Your reader says the file is damaged or could not be opened.
- Some pages show up blank, or the page count is wrong.
- Other tools such as Merge or Compress reject the file.
- The download or email attachment was interrupted.
If repair doesn’t help
Download the file again from its source, or ask the sender to export it again. A file that was cut short is missing data that no repair can recreate.
How to use it
- 1Choose or drop the damaged PDF
- 2Repair it
- 3Download the rebuilt PDF and check it
Questions
Will every PDF be fixed?
No. Files with a damaged structure usually recover well. If the data for a page is missing, it can’t be recreated.
My PDF opens but other tools reject it. Will this help?
Often, yes. Repair writes a clean, standard file that other tools can read.
Is the original changed?
No. You download a new file.